Completely safe. No danger of damage if the equipment is left running without water for a short period of time.

Patented heating element made with the exclusive PTC system. The traditional metal resistor coils have been replaced by a special polymer sheet, silk-screened with heating ink.

Setting of temperature controlled by an electronic circuit with indicator light.

Temperature range: 64-92 degrees Fahrenheit.

Description

300W In Line Heater Hydor 5/8" Hose. Patented heating element made with exclusive PTC system. The traditional metal resistor coils have been replaced by a special polymer sheet. Perfect for keeping your aquarium at the proper temperature year round.